31246143086 has 16 divisors (see below), whose sum is σ = 47086356240. Its totient is φ = 15550753920.

The previous prime is 31246143059. The next prime is 31246143143. The reversal of 31246143086 is 68034164213.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1063745 + ... + 1092723.

It is an arithmetic number, because the mean of its divisors is an integer number (2942897265).

Almost surely, 2^31246143086 is an apocalyptic number.

31246143086 is a deficient number, since it is larger than the sum of its proper divisors (15840213154).

31246143086 is a wasteful number, since it uses less digits than its factorization.

31246143086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31459.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 31246143086 in words is "thirty-one billion, two hundred forty-six million, one hundred forty-three thousand, eighty-six".